Cutting insert



FIG. 1 is a perspective view of a cutting insert showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a cross-sectional view taken along line 8-8 of FIG. 2.

The broken lines depict portions of the cutting insert that form no part of the claimed design. 

CLAIM The ornamental design for a cutting insert, as shown. 